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Pat. 10811993 United States, Int. Cl.22 H02M 7/48, H02J 3/32, H02J 3/38, H02J 7/35, H02M 3/158, H02M 7/44, H02S 40/32, H02M 3/335. Power conversion system and method : Appl. N 15/844250 : Filed 15.12.2017 : Pub. 20.10.2020 : / Aaron Vanderzaden ; Assignee Ess Technology Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10811993/en?oq=US10811993.html (дата обращения: ДД.ММ.ГГГГ).